ZA882249B - Process for the prevention or reduction of deposits in carburettors,injection devices and similar devices of engines - Google Patents
Process for the prevention or reduction of deposits in carburettors,injection devices and similar devices of enginesInfo
- Publication number
- ZA882249B ZA882249B ZA882249A ZA882249A ZA882249B ZA 882249 B ZA882249 B ZA 882249B ZA 882249 A ZA882249 A ZA 882249A ZA 882249 A ZA882249 A ZA 882249A ZA 882249 B ZA882249 B ZA 882249B
- Authority
- ZA
- South Africa
- Prior art keywords
- engines
- devices
- carburettors
- deposits
- prevention
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2462—Organic compounds containing sulfur, selenium and/or tellurium macromolecular compounds
- C10L1/2475—Organic compounds containing sulfur, selenium and/or tellurium macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon to carbon bonds
- C10L1/2487—Organic compounds containing sulfur, selenium and/or tellurium macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon to carbon bonds polyoxyalkylene thioethers (O + S 3=)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/26—Organic compounds containing phosphorus
- C10L1/2633—Organic compounds containing phosphorus phosphorus bond to oxygen (no P. C. bond)
- C10L1/2641—Organic compounds containing phosphorus phosphorus bond to oxygen (no P. C. bond) oxygen bonds only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Combustion & Propulsion (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Detergent Compositions (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Accessories For Mixers (AREA)
- Cephalosporin Compounds (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873711985 DE3711985A1 (de) | 1987-04-09 | 1987-04-09 | Verwendung von polyolethern zur verhinderung oder verminderung von ablagerungen in gemischaufbereitungssystemen |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA882249B true ZA882249B (en) | 1988-10-03 |
Family
ID=6325221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA882249A ZA882249B (en) | 1987-04-09 | 1988-03-29 | Process for the prevention or reduction of deposits in carburettors,injection devices and similar devices of engines |
Country Status (14)
Country | Link |
---|---|
US (1) | US5024678A (fr) |
EP (1) | EP0289785B1 (fr) |
JP (1) | JPS649294A (fr) |
CN (1) | CN1030253A (fr) |
AT (1) | ATE64948T1 (fr) |
AU (1) | AU602569B2 (fr) |
DD (1) | DD284687A5 (fr) |
DE (2) | DE3711985A1 (fr) |
ES (1) | ES2004848B3 (fr) |
FI (1) | FI881637A (fr) |
GR (1) | GR880300184T1 (fr) |
NO (1) | NO881505L (fr) |
PL (1) | PL271720A1 (fr) |
ZA (1) | ZA882249B (fr) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3826608A1 (de) * | 1988-08-05 | 1990-02-08 | Basf Ag | Polyetheramine oder polyetheraminderivate enthaltende kraftstoffe fuer ottomotoren |
JPH02194089A (ja) * | 1989-01-20 | 1990-07-31 | Sanyo Chem Ind Ltd | メタノール燃料油用添加剤 |
ES2017030A6 (es) * | 1989-07-26 | 1990-12-16 | Lascaray Sa | Composicion aditiva para gasolinas empleadas en vehiculos automoviles. |
CA2020037A1 (fr) * | 1990-01-22 | 1991-07-23 | Rodney L. Sung | Composes d'ester polyoxyalkylene et compositions de carburant a moteur ori inhibe |
JPH0662965B2 (ja) * | 1990-02-02 | 1994-08-17 | 花王株式会社 | 燃料油添加剤及び燃料油添加剤組成物 |
US5197997A (en) * | 1990-11-29 | 1993-03-30 | The Lubrizol Corporation | Composition for use in diesel powered vehicles |
GB9101884D0 (en) * | 1991-01-29 | 1991-03-13 | British Petroleum Co Plc | Fuel composition |
US5286266A (en) * | 1992-07-09 | 1994-02-15 | Texaco Inc. | Motor fuel detergent additives - asymmetrical ureas of hydrocarbyloxypolyether amines and tertiary aminoalkyl primary amines |
US5354343A (en) * | 1992-08-31 | 1994-10-11 | Shell Oil Company | Gasoline composition |
US5366519A (en) * | 1992-12-18 | 1994-11-22 | Chevron Research And Technology Company | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic esters and poly(oxyalkylene) amines |
US5569310A (en) * | 1992-12-18 | 1996-10-29 | Chevron Chemical Company | Poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same |
US5366517A (en) * | 1992-12-18 | 1994-11-22 | Chevron Research And Technology Company | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and poly(oxyalkylene) amines |
US5516342A (en) * | 1992-12-28 | 1996-05-14 | Chevron Chemical Company | Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and aliphatic amines |
US5462567A (en) * | 1992-12-28 | 1995-10-31 | Chevron Chemical Company | Fuel additive compositions containing poly(oxyalkylene)hydroxyaromatic esters and aliphatic amines |
DK0756617T3 (da) * | 1993-12-13 | 1999-09-27 | Shell Int Research | Benzinsammensætning |
US5538521A (en) * | 1993-12-23 | 1996-07-23 | Chevron Chemical Company | Fuel compositions containing polyalkyl and poly(oxyalkylene)aromatic esters |
US5441544A (en) * | 1993-12-23 | 1995-08-15 | Chevron Chemical Company | Fuel compositions containing substituted poly(oxyalkylene) aromatic ethers |
US5709718A (en) * | 1995-03-15 | 1998-01-20 | Shell Oil Company | Fuel compositions containing a polyether |
TW477784B (en) * | 1996-04-26 | 2002-03-01 | Shell Int Research | Alkoxy acetic acid derivatives |
SG55335A1 (en) * | 1996-06-28 | 1998-12-21 | Nippon Catalytic Chem Ind | Method for reducing deposition of cokes in heat-refining process of petroleum high-nolecular hydrocarbons and additive used in the method |
US5746785A (en) * | 1997-07-07 | 1998-05-05 | Southwest Research Institute | Diesel fuel having improved qualities and method of forming |
FR2797450B1 (fr) * | 1999-08-12 | 2002-12-06 | Inst Francais Du Petrole | Derives de polytetrahydrofuranne utilisables dans des compositions detergentes pour carburants de type essence |
US6210452B1 (en) * | 2000-02-08 | 2001-04-03 | Hhntsman Petrochemical Corporation | Fuel additives |
DE102004038113A1 (de) * | 2004-08-05 | 2006-03-16 | Basf Ag | Stickstoffhaltige heterocyclische Verbindungen als Reibverschleißvermindernder Zusatz zu Kraftstoffen |
EP1901385A4 (fr) * | 2005-06-17 | 2010-01-27 | Toshiba Kk | Combustible pour pile à combustible, cartouche de combustible pour pile à combustible et pile à combustible |
EP2231834A1 (fr) * | 2008-01-04 | 2010-09-29 | University of Southern California | Carburant carbomodulable de transport ternaire favorable à l'environnement constitué d'essence, de méthanol et de bioéthanol |
EP2128232A1 (fr) * | 2008-05-20 | 2009-12-02 | Castrol Limited | Composition lubrifiante pour moteurs fonctionnant à l'éthanol |
US20110162260A1 (en) * | 2008-09-16 | 2011-07-07 | The Lubrizol Corporation | Alcohol Fuel Soluble Additive for Removing Deposits in Fueling Systems |
CN102031178B (zh) * | 2010-12-24 | 2013-07-03 | 淄博润博化工销售有限公司 | 低硫柴油润滑性添加剂及其制备方法 |
US8586520B2 (en) | 2011-06-30 | 2013-11-19 | Exxonmobil Research And Engineering Company | Method of improving pour point of lubricating compositions containing polyalkylene glycol mono ethers |
SG10201604800QA (en) | 2011-06-30 | 2016-08-30 | Exxonmobil Res & Eng Co | Lubricating compositions containing polyalkylene glycol mono ethers |
EP2726583A1 (fr) | 2011-06-30 | 2014-05-07 | ExxonMobil Research and Engineering Company | Compositions lubrifiantes contenant des polyétheramines |
SG193979A1 (en) | 2011-06-30 | 2013-11-29 | Exxonmobil Res & Eng Co | Method of improving pour point of lubricating compositions containing polyalkylene glycol mono ethers |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR761473A (fr) * | 1933-08-07 | 1934-03-20 | Carburants Speciaux Sa Des | Procédé de stabilisation, en présence de métaux tels que le cuivre, des produitsformés par l'introduction de composés organiques azotés dans les hydrocarbures tels que les essences de pétrole ou dans les mélanges d'essence et d'alcool |
US2655440A (en) * | 1949-05-24 | 1953-10-13 | California Research Corp | Diesel fuel oil |
US2763537A (en) * | 1949-05-24 | 1956-09-18 | California Research Corp | Diesel fuel oil |
US2807526A (en) * | 1950-10-04 | 1957-09-24 | Standard Oil Co | Additive for motor fuels and fuel compositions containing the same |
US2807525A (en) * | 1950-10-04 | 1957-09-24 | Standard Oil Co | Additive for motor fuels |
GB708193A (en) * | 1951-05-08 | 1954-04-28 | Thompson Prod Inc | Improvements in or relating to fuel charges for internal combustion engines |
US3440029A (en) * | 1964-05-20 | 1969-04-22 | Dow Chemical Co | Gasoline containing anti-icing additive |
US3478096A (en) * | 1966-04-18 | 1969-11-11 | Universal Oil Prod Co | Sec.-alkyl- or cycloalkyl-alkoxy-alkylamines |
US3849083A (en) * | 1972-04-14 | 1974-11-19 | Ethyl Corp | Gasoline additive |
GB1403248A (en) * | 1972-10-27 | 1975-08-28 | British Petroleum Co | Amino ethers |
US3980450A (en) * | 1973-10-23 | 1976-09-14 | The British Petroleum Company Limited | Gasoline composition |
US4236020A (en) * | 1976-06-21 | 1980-11-25 | Chevron Research Company | Carbamate deposit control additives |
SE404702B (sv) * | 1976-11-29 | 1978-10-23 | Svenska Metanol | Anvendning av en metanolbaserad komposition som dieselbrensle |
BR8000889A (pt) * | 1979-02-21 | 1980-10-21 | Basf Ag | Composicoes carburantes para motores diesel |
US4332594A (en) * | 1980-01-22 | 1982-06-01 | Chrysler Corporation | Fuels for internal combustion engines |
US4464182A (en) * | 1981-03-31 | 1984-08-07 | Exxon Research & Engineering Co. | Glycol ester flow improver additive for distillate fuels |
US4398921A (en) * | 1981-11-02 | 1983-08-16 | Ethyl Corporation | Gasohol compositions |
US4409000A (en) * | 1981-12-14 | 1983-10-11 | The Lubrizol Corporation | Combinations of hydroxy amines and carboxylic dispersants as fuel additives |
US4409001A (en) * | 1982-01-08 | 1983-10-11 | Texaco Inc. | Gasoline compositions containing amino alkanoic acids as detergents |
US4427562A (en) * | 1982-05-06 | 1984-01-24 | Mobil Oil Corporation | Friction reducers for lubricants and fuels |
SE8202879L (sv) * | 1982-05-07 | 1983-11-08 | Carbogel Ab | Vattenuppslamning av ett fast brensle samt sett och medel for framstellning derav |
US4428354A (en) * | 1982-06-21 | 1984-01-31 | General Motors Corp. | Diesel engine fuel limiting system |
GB2143846A (en) * | 1983-07-25 | 1985-02-20 | Shell Int Research | A diesel fuel based on methanol and/or ethanol |
US4778481A (en) * | 1983-08-08 | 1988-10-18 | Chevron Research Company | Diesel fuel and method for deposit control in compression ignition engines |
FR2552444A1 (fr) * | 1983-09-24 | 1985-03-29 | Sandoz Sa | Carburants pour moteurs a combustion interne contenant des inhibiteurs de corrosion |
US4527996A (en) * | 1983-10-31 | 1985-07-09 | Chevron Research Company | Deposit control additives - hydroxy polyether polyamines |
DE3343816C2 (de) * | 1983-12-03 | 1986-12-04 | UK Mineralölwerke Wenzel & Weidmann GmbH, 5180 Eschweiler | Schmiermittel |
DE3412078A1 (de) * | 1984-03-31 | 1985-10-03 | Bayer Ag, 5090 Leverkusen | Zuendverbesserer fuer kraftstoffgemische |
EP0166006A1 (fr) * | 1984-06-16 | 1986-01-02 | Union Rheinische Braunkohlen Kraftstoff Aktiengesellschaft | Combustible pour moteurs |
DE3628504A1 (de) * | 1985-08-28 | 1987-03-12 | Liqui Moly Gmbh | Korrosionsinhibitor und diesen enthaltender treibstoff |
-
1987
- 1987-04-09 DE DE19873711985 patent/DE3711985A1/de active Granted
-
1988
- 1988-03-29 ZA ZA882249A patent/ZA882249B/xx unknown
- 1988-03-31 EP EP88105287A patent/EP0289785B1/fr not_active Expired - Lifetime
- 1988-03-31 ES ES88105287T patent/ES2004848B3/es not_active Expired - Lifetime
- 1988-03-31 DE DE8888105287T patent/DE3863477D1/de not_active Expired - Lifetime
- 1988-03-31 AT AT88105287T patent/ATE64948T1/de not_active IP Right Cessation
- 1988-04-05 US US07/177,623 patent/US5024678A/en not_active Expired - Fee Related
- 1988-04-07 NO NO881505A patent/NO881505L/no unknown
- 1988-04-08 DD DD88314559A patent/DD284687A5/de not_active IP Right Cessation
- 1988-04-08 FI FI881637A patent/FI881637A/fi not_active IP Right Cessation
- 1988-04-08 PL PL27172088A patent/PL271720A1/xx unknown
- 1988-04-08 JP JP63085562A patent/JPS649294A/ja active Pending
- 1988-04-09 CN CN88102090A patent/CN1030253A/zh active Pending
- 1988-04-11 AU AU14543/88A patent/AU602569B2/en not_active Ceased
-
1989
- 1989-06-22 GR GR88300184T patent/GR880300184T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
JPS649294A (en) | 1989-01-12 |
ES2004848B3 (es) | 1991-12-16 |
FI881637A0 (fi) | 1988-04-08 |
NO881505L (no) | 1988-10-10 |
NO881505D0 (no) | 1988-04-07 |
US5024678A (en) | 1991-06-18 |
CN1030253A (zh) | 1989-01-11 |
FI881637A (fi) | 1988-10-10 |
DE3711985C2 (fr) | 1992-02-27 |
DD284687A5 (de) | 1990-11-21 |
GR880300184T1 (en) | 1989-06-22 |
AU1454388A (en) | 1988-11-03 |
DE3711985A1 (de) | 1988-10-20 |
DE3863477D1 (de) | 1991-08-08 |
EP0289785B1 (fr) | 1991-07-03 |
PL271720A1 (en) | 1989-02-06 |
ES2004848A4 (es) | 1989-02-16 |
EP0289785A1 (fr) | 1988-11-09 |
AU602569B2 (en) | 1990-10-18 |
ATE64948T1 (de) | 1991-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA882249B (en) | Process for the prevention or reduction of deposits in carburettors,injection devices and similar devices of engines | |
CA2082435A1 (fr) | Carburants pour moteurs a essence | |
GB2117048B (en) | Testing and i.c. engine fuel injection system | |
GB2158512B (en) | I.c. engine injector fuel supply pipe | |
EP0638769A3 (fr) | Injecteur de combustible pour des combustibles liquides et gazeux et procédé de sa mise en oeuvre. | |
EP0736590A3 (fr) | Additifs pour liquides organiques | |
EP0651150A3 (fr) | Dispositif d'injection de carburant pour moteur. | |
GB2102882B (en) | Combined fuel injection pump and injector units for c.i. engines | |
ES511344A0 (es) | "perfeccionamientos en un sistema de combustion dotado de un medio que define un lecho fluidificado para la combustion del combustible en dicho lecho fluidificado". | |
DK0410170T3 (da) | Flydende brændstofblanding, fremgangsmåde til dens fremstilling og dens anvendelse i totaktsmotorer | |
GB2131485B (en) | I.c. engine fuel injection systems | |
IT8920258A0 (it) | Additivo detergente, disperdente ed anti ruggine per combustibili ed oli lubrificanti. | |
GB2145153B (en) | Fuel injections for i.c. engines | |
ES8500986A1 (es) | Procedimiento para la obtencion de combustible para motores a base de alcoholes inferiores | |
GB2240590B (en) | Petrol pump for fuel injection systems. | |
GB8800359D0 (en) | Apparatus for low-pressure fuel injection into two-stroke i c engine | |
MY100061A (en) | Improved fuel composition | |
GB2118624B (en) | I.c. engine liquid fuel injector | |
GB2125894B (en) | I.c. engine fuel injection nozzle | |
GB2143586B (en) | I.c. engine throttling-pintle fuel injection nozzle | |
ES521051A0 (es) | Dispositivo inyector electromagnetico del tipo de "presion-tiempo" para un motor con inyeccion. | |
DE3174990D1 (en) | Methanol automotive fuel | |
FI925408A (fi) | En reodorantkomposition | |
ES8506786A2 (es) | Mejoras introducidas en el objeto de la patente principal n 530.468, presentada el 9 de marzo de 1.984, por: procedimiento para la obtencion de combustible para motores a base de alcoholes inferiores | |
GB2143582B (en) | I.c. engine fuel injection nozzle |